Recently, AdSense launched a new version of the AdSense code which is said to trigger optimization features earlier which can improve the performance of the ads on your site. The new ad code works for both Auto ads and ad units which is not needed to take any action but you'll have access to the new ad code the next time you sign in to AdSense and get code from your account.

Do I have to replace my old ad code with the new ad code?

According to AdSense there's no requirement to replace the existing ad code on your site. However, you're welcome to update your ad code if you want to take advantage of the new optimization features.

Learn how to increase Adsense cost per click CPC

Tips: If you do choose to update your ad code, make sure that:

You update all the ad code on your site. For the most optimal results, AdSense recommend you avoid having a mix of old and new ad code on the same page.

Your publisher ID is correct in all new ad code.

What does the new ad code look like?

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